These orbit furthest away from the Sun, mostly in the outer belt, so they have not been altered by the Sun’s heat. 253 Mathilde is an asteroid in the main belt between Mars and Jupiter, where it orbits the Sun once every 4.3 years.
Animation of Mathilde. 253 Mathilde is a main belt asteroid found by Johann Palisa in 1885. Diagram of the Solar System's asteroid belt. Mathilde is a low-reflectance object (geometric … NEAR's brief Mathilde flyby will provide researchers with a wealth of information on the asteroid and lay valuable groundwork for the later study of Eros. The Galileo mission had a digital camera, but of a late '70s vintage. Photograph taken in 1997 by the NEAR Shoemaker probe. 253 Mathilde, a C-type asteroid measuring about 50 km (30 mi) across, covered in craters half that size. Sunlight is coming from the upper right. C-types, called chondrites, are made of clay and silicate rocks. Larger asteroids have also been called planetoids. And finally- we have an up-close visit, by a recognizably-modern spacecraft. On June 27, 1997, the NEAR spacecraft carried out the first-ever encounter with a C-type asteroid, flying by 253 Mathilde at a distance of 1212 km. On 27 June 1997, the Near Earth Asteroid Rendezvous (NEAR) spacecraft flew within 1212 kilometers of asteroid 253 Mathilde. Mathilde (mă-tild ) ((253) Mathilde) A C-type main-belt asteroid, discovered in 1885 by the Austrian astronomer Johann Palisa.It was studied at close quarters in 1997 by the Near-Earth Asteroid Rendezvous (NEAR-Shoemaker) mission, which observed it to be 52 km across, with at least five craters more than 20 km across. Mathilde is classified as a carbon rich C-type asteroid.
Asteroids are minor planets, especially of the inner Solar System. It is a C-type asteroid, the most common spectral class. These are by far the most common type of asteroid.
It is approximately 50 x 50 x 70 km in size. Not as in breadcrumbs and oil vats, but that's not completely off, either. Asteroids are grouped into categories based on their composition – what the asteroids are made from. We summarize findings derived from 330 images obtained by NEAR's MSI camera which cover about 60% of the surface of the asteroid.
Mathilde is a C-type main-belt asteroid, 59 x 47 kilometers in size. Reflecting only 3.6% of the light incident on it, Mathilde is one of the darkest objects in the solar system. First Image of Asteroid 253 Mathilde This first image of asteroid 253 Mathilde, returned by the NEAR spacecraft just before 10:00 AM EDT on June 27, 1997, was taken from a distance of 1800 kilometers (1120 miles). Mathilde is a C-type asteroid, the most common type of asteroid in the outer belt. 253 Mathilde is seriously battered. Asteroid 253 Mathilde was visited by the NEAR spacecraft on June 27, 1997, on its way to Eros. Views of Mathilde . It has a fairly elliptical orbit that takes more than four years to circle the Sun.This asteroid has an unusually slow rate of rotation, taking 17.4 days to complete a 360° revolution about its axis. Asteroid discovery methods have dramatically improved over the past two centuries. 253 Mathilde is a main-belt asteroid, in an eccentric orbit with a perihelion at 1.94 AU and aphelion at 3.35 AU. Flyby of Mathilde. It was discovered in 1885 and is one of the largest asteroids known.
The highest resolution achieved was about 160 m/pixel.
Mathilde is an irregular, heavily cratered body measuring 66 kilometers by 48 kilometers by 46 kilometers. It's about 52 kilometers across, and notable for its very slow rotation rate--it takes 17.4 days for the asteroid to turn on its axis. NEAR Shoemaker (Near-Earth Asteroid Rendezvous, later honoring scientist Eugene Shoemaker) launched in 1996,… The asteroid's surface is dark (estimated albedo between 0.035 and 0.050) and similar in color to some CM carbonaceous chondrites. 2014 JO25 imaged by radar during its 2017 Earth flyby. The asteroid rotates very slowly, once every 418 hours (about 17.5 days).